#let conf(title,shorttitle, 
authors:(),
doc) = {
  set page(
    paper: "a4",
    header: align(
      right + horizon,
      shorttitle
    ),
    numbering: "1",
   
  )
  set heading(numbering: "1.1")
  set par(justify: true)
  set text(
    font: "New Computer Modern",
    size: 13pt,
  )
  // Heading show rules.
    align(center, text(17pt)[
        *#title*
    ])
    align(center,text(12pt)[
        #authors.name \
        //#authors.affiliation \
        #datetime.today().display()
    //#authors.name
    ])
   
  columns(1, doc)
}
/*
#show: doc => conf(
  [Well-Balanced and Positivity-Preserving],[WB and PP], authors:
    (
      (name: "Theresa Tungsten",
      affiliation: "University of Somewhere",
      )
    ),
  doc,
)
= Introduction
== Backgroud
*/
